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cvelistGitHub_MCVELIST:CVE-2021-21349
HistoryMar 22, 2021 - 11:45 p.m.

CVE-2021-21349 A Server-Side Forgery Request can be activated unmarshalling with XStream to access data streams from an arbitrary URL referencing a resource in an intranet or the local host

2021-03-2223:45:24
CWE-918
CWE-502
GitHub_M
www.cve.org

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N

9.3 High

AI Score

Confidence

High

0.015 Low

EPSS

Percentile

87.0%

XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream’s security framework with a whitelist limited to the minimal required types. If you rely on XStream’s default blacklist of the Security Framework, you will have to use at least version 1.4.16.

CNA Affected

[
  {
    "product": "xstream",
    "vendor": "x-stream",
    "versions": [
      {
        "status": "affected",
        "version": "< 1.4.16"
      }
    ]
  }
]

References

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N

9.3 High

AI Score

Confidence

High

0.015 Low

EPSS

Percentile

87.0%